A device intended to facilitate the automatic playing and changing of gramophone records of different speeds of rotation,申请号GB19530033714-传众专利搜索

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发明名称	A device intended to facilitate the automatic playing and changing of gramophone records of different speeds of rotation
摘要
申请公布号	GB764691(A)	申请公布日期	1957.01.02
申请号	GB19530033714	申请日期	1953.12.04
申请人	ROBERT MURTON POOLE	发明人
分类号	G11B19/26;G11B23/00	主分类号	G11B19/26
代理机构		代理人
主权项
地址

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